What is the function of Alibaba Cloud's Database Security Service?

The function of Alibaba Cloud's Database Security Service is fundamentally centered on protecting databases from unauthorized access and vulnerabilities. This service is designed to ensure the confidentiality, integrity, and availability of database systems by implementing various security measures.

One of its primary roles includes identifying and mitigating potential security threats that could exploit weaknesses in database configurations or expose sensitive data. It does this through features like real-time monitoring, vulnerability scanning, and access control, which help organizations secure their databases against attacks and comply with regulatory requirements.

Additionally, the service aids in auditing database activities, providing detailed reports that help track who accessed the database and what changes were made. This level of oversight is crucial for maintaining robust security and responding quickly to any potential incidents.

While the other options address important aspects related to databases, such as performance optimization, data backup, and analytics, they do not align with the core security-focused functionality of the Database Security Service. Its primary aim remains firmly rooted in protecting database resources from threats, making the provided answer the most fitting choice.